This project is scheduled for launch
Launch date: Monday, September 28, 2026 at 08:00 AM UTC

Chrome Goldmine is a unique one-time payment database, designed to empower indie makers and developers by providing a curated database of 9,656 expired Chrome extensions with proven user demand.
It serves as a comprehensive research system, offering a shortcut to validated product ideas that are ripe for rebuilding and relaunching.
The platform targets indie makers, solo SaaS builders, developers, and entrepreneurs looking for high-potential product ideas in the Chrome extension ecosystem.
Extensive Database: Access to 9,656 thoroughly researched expired Chrome extensions.
Detailed Insights: Each listing includes historical users, category, rebuild difficulty, reason for expiry (e.g., MV3, abandoned), and estimated monthly revenue potential.
Rebuild Playbook: Step-by-step rebuild plans, MV3 migration guidance, tech stack choices, monetization strategies, and launch tactics.
Competitor Analysis: Identifies active alternatives and highlights their gaps, helping users find their unfair advantage.
Interactive Workspace: Delivered as an instant Notion workspace for easy filtering, sorting, and shortlisting, plus a CSV export for power users.
Lifetime Updates: Quarterly updates with new expired extensions and refreshed competitor data, included with a one-time purchase.
Chrome Goldmine is invaluable for anyone seeking to build a successful Chrome extension with reduced risk. It eliminates the arduous process of market research by presenting ideas that already had a user base, proving demand. Users can filter the database by revenue potential, rebuild difficulty, user base size, and niche to quickly identify opportunities that align with their skills and interests.
For developers, it provides a clear path to navigate the Manifest V3 transition by highlighting extensions that expired due to MV3 incompatibility, offering a chance to rebuild them with modern standards. Entrepreneurs can leverage the competitor analysis to pinpoint market gaps and differentiate their offerings, while the included launch tactics guide them through bringing their rebuilt extension to market effectively on platforms like Product Hunt and Hacker News.
Chrome Goldmine is available for a one-time payment of $23.20 (originally $29), offering a 20% launch discount for the first 100 buyers. There is no subscription required, and the purchase includes lifetime quarterly updates. A 30-day money-back guarantee is provided, ensuring satisfaction with no questions asked.
The core product is an interactive Notion database, allowing for intuitive browsing, filtering, and searching of extension ideas. A CSV export is also provided for users who prefer to work with their own tools. The platform includes a "Quick Start Guide" which acts as a step-by-step playbook for going from database to deployed extension, as well as a 50+ page Premium Report pdf with many case studies from the industry. Customer satisfaction is backed by a 30-day, no-questions-asked refund policy.
While the platform itself is delivered as a Notion workspace and CSV, it provides critical guidance for building Chrome extensions, including considerations for Manifest V3 (MV3) migration and various tech stack choices for the extensions themselves. This makes it a valuable resource for developers working with web technologies.
Pros: Validated product ideas with proven demand, comprehensive market research, detailed rebuild plans, competitive analysis, conservative revenue estimates, one-time payment with lifetime updates, 30-day money-back guarantee.
Cons: Example names on landing page are composites (full data requires a purchase), revenue estimates are not guarantees, requires some development skills to rebuild extensions, but there's over 10 manuals and rebuild guides included in the Notion document. You get all the help you need.
Chrome Goldmine offers an unparalleled advantage for indie makers by providing a meticulously researched list of expired Chrome extensions, transforming the challenge of idea generation into a strategic rebuilding opportunity. With its detailed insights, rebuild playbooks, and competitive analysis, it's a powerful toolkit for launching your next successful extension. Explore Chrome Goldmine today to uncover your next profitable venture.
Comments will be available once the project is launched.
Raf Vantongerloo
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